A-Series: Owner/Contractor Agreements

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AIA Contract Documents are divided into six alphanumeric series by document use or purpose. See the list of AIA Contract Documents by Series for information on all of our available documents.

A101–2017,  Standard Form of Agreement Between Owner and Contractor where the basis of payment is a Stipulated Sum

  • This contract is used when project price is based on a 1sum (fixed price). It is suitable for large or complex commercial construction projects.

A102–2017, Standard Form of Agreement Between Owner and Contractor where the basis of payment is the Cost of the Work Plus a Fee with a Guaranteed Maximum Price

  • This contract between owner and contractor can be used on large projects requiring a guaranteed maximum price when the payment to the contractor is the cost of the work plus a fee.

A103–2017, Standard Form of Agreement Between Owner and Contractor where the basis of payment is the Cost of the Work Plus a Fee without a Guaranteed Maximum Price

  • This contract is used on large projects when the basis of payment to the contractor is the cost of the work plus a fee, and the cost is not fully known at the commencement of construction

A104–2017 (formerly A107-2007),  Standard Abbreviated Form of Agreement Between Owner and Contractor

  • This contract is used on construction projects of limited scope and complexity when there is a stipulated sum or cost plus.
A105–2017, Standard Short Form of Agreement Between Owner and Contractor
  • This contract is appropriate for smaller, less complex commercial or residential projects.
A110–2021, Standard Form of Agreement Between Owner and Contractor for a Custom Residential Project
  • This contract is appropriate for custom residential projects when the payment is based on either a stipulated sum or the cost of the work plus a fee, with or without a guaranteed maximum price.
A111–2021, Standard Form of Agreement Between Owner and Home Builder for Construction of a Single Family Home
  • This contract is appropriate for single family residential projects when the home builder does not provide design services.
A112–2021, Standard Form of Agreement Between Owner and Home Builder for Design and Construction of a Single Family Home
  • This contract is appropriate for single family residential projects when the home builder provides both design services and construction.
A113-2022, Standard Form of Agreement Between Owner and Contractor for Remodel of a Single Family Home
  • This contract is appropriate for a relatively straightforward home remodeling project, such as a kitchen or bathroom remodel.

A121–2018, Standard Form of Master Agreement Between Owner and Contractor where Work is provided under multiple Work Orders

  • This contract is used when the contractor’s scope of work will subsequently be specified through the use of one or more work orders.

A132-2009, Standard Form of Agreement Between Owner and Contractor, Construction Manager as Advisor Edition

  • This contract is used on projects where the basis of payment is either a stipulated sum (fixed price) or cost of the work plus a fee, with or without a guaranteed maximum price where construction manager is the advisor.

A132-2019, Standard Form of Agreement Between Owner and Contractor, Construction Manager as Advisor Edition

  • This contract is used on projects where the basis of payment is either a stipulated sum (fixed price) or cost of the work plus a fee, with or without a guaranteed maximum price where construction manager is the advisor.

A132–2009 SP, Standard Form of Agreement Between Owner and Contractor, for use on a Sustainable Project, Construction Manager as Advisor Edition

  • This contract is used on sustainable projects where the basis of payment is either a stipulated sum (fixed price) or cost of the work plus a fee, with or without a guaranteed maximum price where construction manager is the advisor.

A133–2019, Standard Form of Agreement Between Owner and Construction Manager as Constructor where the basis of payment is the Cost of the Work Plus a Fee with a Guaranteed Maximum Price

  • This contract is used on projects where a construction manager, in addition to serving as advisor to the owner, assumes financial responsibility for construction of the project.

A133–2009 SP, Standard Form of Agreement Between Owner and Construction Manager as Constructor where the basis of payment is the Cost of the Work Plus a Fee with a Guaranteed Maximum Price, for use on a Sustainable Project

  • This contract is used on sustainable projects where a construction manager, in addition to serving as advisor to the owner, assumes financial responsibility for construction of the project.
A134–2019, Standard Form of Agreement Between Owner and Construction Manager as Constructor where the basis of payment is the Cost of the Work Plus a Fee without a Guarantee Maximum Price
  • This contract is used when the owner seeks a construction manager who will take on responsibility for providing the means and methods of construction.
A135–2024, Standard Form of Agreement Between Owner and Construction Manager as Constructor for Collaborative Project Delivery where the basis of payment is the Cost of the Work Plus a Fee with a Guaranteed Maximum Price
  • This contract is used with any size project and there is cost plus with guaranteed maximum price (GMP).

A134–2009 SP, Standard Form of Agreement Between Owner and Construction Manager as Constructor where the basis of payment is the Cost of the Work Plus a Fee without a Guarantee Maximum Price, for use on a Sustainable Project

  • This contract is used when the owner seeks a construction manager who will take on responsibility for providing the means and methods of construction on a sustainable project.
A141–2014, Standard Form of Agreement Between Owner and Design-Builder
  • This contract is used on large design-build projects when the owner contracts with a single entity to provide both design and construction.
A141–2024, Standard Form of Agreement Between Owner and Design-Builder for a Traditional Design-Build Project
  • This contract is used when the Owner and Design-Builder have agreed on the Contract Sum, and Exhibit C, Sustainable Projects.
A141PDB–2024, Standard Form of Agreement Between Owner and Design-Builder for a Progressive Design-Build Project
  • This contract is used on progressive design-build projects.

A142–2014, Standard Form of Agreement Between Design-Builder and Contractor

  • This contract is used for large design-build projects when the design-builder hires a contractor for construction.

A145-2015, Standard Form of Agreement Between Owner and Design-Builder for a One or Two Family Residential Project

  • This contract is used for a one or two family residential project and consists of the Agreement portion and Exhibit A, a Design-Build Amendment that is executed when the owner and design-builder have agreed on the Contract Sum.

A151–2019, Standard Form of Agreement Between Owner and Vendor for Furniture, Furnishings, and Equipment (FF&E)

  • This contract is used between owner and vendor for furniture, furnishings and equipment (FF&E) where the basis of payment is a stipulated sum (fixed price) agreed to at the time of contracting.
A152-2019, Purchase Order
  • This purchase order agreement is intended for situations where a Purchaser will buy goods from a Vendor.
A181-2025, Standard Form of Agreement Between Owner and Construction Manager as Constructor, Volumetric Modular Construction Edition
  • This agreement is intended for Modular projects with a Cost of the Work Plus a Fee with a Guaranteed Maximum Price.

A195–2008, Standard Form of Agreement Between Owner and Contractor for Integrated Project Delivery

  • This contract is used between owner and contractor for a large, transitional, and integrated project delivery, and provides business terms and conditions unique to the contract.

A201–2017, General Conditions of the Contract for Construction

  • This contract sets the rights, responsibilities, and relationships of the owner, contractor, and architect. Various design-bid-build agreements incorporate and reference this “umbrella” document.

A201–2007, General Conditions of the Contract for Construction

  • This contract sets the rights, responsibilities, and relationships of the owner, contractor, and architect. Various design-bid-build agreements incorporate and reference this “umbrella” document.

A201–2007 SP, General Conditions of the Contract for Construction, for use on a Sustainable Project

  • This contract sets the rights, responsibilities, and relationships of the owner, contractor, and architect on a sustainable project. Various design-bid-build agreements incorporate and reference this “umbrella” document.

A221–2018, Work Order for use with Master Agreement Between Owner and Contractor

  • This contract is a Work Order that provides the Contractor’s scope of Work, Contract Time, Contract Sum, and other terms pertinent to the specific Work Order. It is intended for use when the Owner and Contractor have entered into a Master Agreement setting forth the common terms and conditions applicable to all Work Orders.

A232-2019, General Conditions of the Contract for Construction, Construction Manager as Advisor Edition

  • This contract provides general conditions and rights, responsibilities, and relationships of the owner, contractor, construction manager, and architect when the construction manager is an advisor.
A232–2009 SP, General Conditions of the Contract for Construction, for use on a Sustainable Project, Construction Manager as Advisor Edition
  • This contract provides general conditions and rights, responsibilities, and relationships of the owner, contractor, construction manager, and architect when the construction manager is an advisor on a sustainable project.
A281–2025, General Conditions of the Contract for Construction, Volumetric Modular Construction Edition
  • This contract outlines the roles and relationships between the Owner, Construction Manager, Architect, and Modular Subcontractor in projects that utilize the volumetric modular construction delivery method and where the Construction Manager provides a guaranteed maximum price for labor and materials.

A295–2008, General Conditions of the Contract for Integrated Project Delivery

  • This contract provides general conditions for a transitional integrated project delivery.
A304–2024, Request for Contractor’s Qualifications
  • This questionnaire is used to provide information about a contractor’s background.
A305–2020, Contractor’s Qualification Statement
  • This questionnaire is used to provide information about a contractor’s background.
A310–2010, Bid Bond
  • Bond to ensure that the selected bidder will execute the contract and provide any required performance and payment bonds.
A312–2010, Performance Bond and Payment Bond
  • This contract contains two bonds that cover the contractor’s performance and the contractor’s obligation to pay subcontractors and others for materials and labor.

A313-2020, Warranty Bond

  • This contract is an assurance by the contractor and the contractor’s surety that the contractor’s warranty obligations will be performed and completed in accordance with the terms of the construction contract.

A421–2018, Standard Form of Master Agreement Between Contractor and Subcontractor where Work is provided under multiple Work Orders

  • This contract is used when the subcontractor’s scope of work will subsequently be specified through one or more work orders.

A422–2018, Work Order for use with Master Agreement Between Contractor and Subcontractor

  • This work order is used when a contractor and subcontractor have entered, or will enter, into a master agreement.
A441–2014, Standard Form of Agreement Between Contractor and Subcontractor for a Design-Build Project
  • This contract between contractor and subcontractor is used with any sized design-build project.
A481–2025, Standard Form of Agreement Between Construction Manager and Modular Subcontractor, Volumetric Modular Construction Edition
  • This contract outlines the contractual relationship, responsibilities, and obligations between the Construction Manager and Modular Subcontractor on projects where the Owner utilizes the volumetric modular construction delivery method and where the Construction Manager provides a guaranteed maximum price for labor and materials.

A503–2017/2019, Guide for Supplementary Conditions (for A201-2017, 2017 Owner-Contractor and 2019 CMc agreements)

  • This guide provides guidance to assist in preparing the Contract for Construction, and it provides model language that may be used to amend or supplement the Contract for Construction.

AIA Document A521–2012, Uniform Location of Subject Matter

A5332019, Guide for Supplementary Conditions, CMa Edition (for A232-2019, General Conditions and A132-2019, Owner-Contractor Agreement)

  • This guide provides guidance to assist in preparing the Contract for Construction, and it provides model language that may be used to amend or supplement the Contract for Construction when the construction manager is the advisor.
A701–2018, Instructions to Bidders
  • This contract is used when competitive bids are to be solicited for construction of a project.
A751–2019, Invitation and Instructions to Vendors for Quotations for Furniture, Furnishings, and Equipment (FF&E)
  • This contract is used for an invitation to bid for an interiors project.